chris christie, who has been pretty vocal about an issue that he brought to light himself, his own weight. take a listen to how he's responding to a former white house doctor critique his fitness. >> if she wants to get on a plane and come here to new jersey and ask me if she wants to examine me and review my medical history, i'll have a conversation with her about that. until that time, she should shut up. >> admiral, i want to ask you, the temperament of chris christie as a politician to be thrown onto a world stage. do you think he's got that under control? >> you know, i have seen governor christie and i don't know him, speak up very well and forcefully for his constituents like in hurricane sandy. in this case, that white house staffer is a retired navy admiral, and i think she spoke up in support of him. i think that kind of response was, quite frankly, and some of his responses would make me feel uncomfortable as a citizen, but that doesn't preclude him from being a very viable presidential candidate, but in a sense i think to some degree that as this goes forward, whether i
